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Aleksandr Veselov d822283c4b
Add docs about desktop a11y (#1775)
3 years ago
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images Add docs about desktop a11y (#1775) 3 years ago
README.md Add docs about desktop a11y (#1775) 3 years ago
Windows.md Add docs about desktop a11y (#1775) 3 years ago

README.md

Accessibility support

Platform Support

Platform Status
MacOS Supported
Windows Supported with Java Access Bridge
Linux Not supported

Custom widget with semantic rules

import androidx.compose.foundation.*
import androidx.compose.foundation.layout.*
import androidx.compose.material.Text
import androidx.compose.runtime.*
import androidx.compose.ui.*
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.semantics.*
import androidx.compose.ui.unit.*
import androidx.compose.ui.window.*

fun main() = singleWindowApplication(
    title = "Custom Button", state = WindowState(size = DpSize(300.dp, 200.dp))
) {
    var count by remember { mutableStateOf(0) }

    Box(modifier = Modifier.padding(50.dp)) {
        Box(modifier = Modifier
            .background(Color.LightGray)
            .fillMaxSize()
            .clickable { count += 1 }
            .semantics(mergeDescendants = true /* Use text from the contents (1) */) {
                // This is a button (2)
                role = Role.Button
                // Add some help text to button (3)
                contentDescription = "Click to increment value"
            }
        ) {
            val text = when (count) {
                0 -> "Click Me!"
                1 -> "Clicked"
                else -> "Clicked $count times"
            }
            Text(text, modifier = Modifier.align(Alignment.Center), fontSize = 24.sp)
        }
    }
}

Custom Widget

Windows

Accessibility on Windows is provided by Java Access Bridge and is disabled by default. To enable it, run the following command in Command Prompt.

%JAVA_HOME%\bin\jabswitch.exe /enable

There are some issues with HiDPI display support on windows, see Desktop Accessibility on Windows for details.